Wireless Apple CarPlay/AndroidAuto retrofit kit for Mercedes GLA X156 (2012-2016)
Direct OEM fit — no cutting
Free US shipping
1-year warranty
30-day easy returns
Download the full installation guide as a PDF with step-by-step photos and detailed diagrams.
⬇️ Download the Manual (PDF)Size: 4.5 MB | Format: PDF | Pages: 35
This guide walks you through the complete installation of a CarPlay and Android Auto interface module on a Mercedes equipped with the factory NTG infotainment system.
The upgrade keeps all original vehicle functions intact while adding modern features such as Apple CarPlay, Android Auto, and screen mirroring.
Before starting, make sure your package includes the following components:
The main interface module (metal control box with multiple ports), the primary Quadlock wiring harness, the gateway harness, LVDS video cables, and the optional RCA + USB harness for wired smartphone connection.
The DIP switch settings must match your screen size and display resolution.
Always check the chart included in the user manual before powering on the module.
Before beginning installation, switch the ignition off and remove the key.
For additional safety, you may disconnect the battery. If doing so, place the gear selector in Sport mode (S) before disconnecting power.
Use a soft cloth or protective towel around trim pieces to help prevent scratches during removal.
To access the radio area:
Use a hook tool to carefully remove the left and right center air vents.
- Once the vents are removed, remove the 2 screws located below the air vents.
- Use a plastic trim tool to release the radio surrounding trim panel. Work slowly and evenly to avoid damaging clips.
With the trim removed, you can now access the factory radio.
- Then gently pull the head unit outward.
- Use a flat-head screwdriver to lift the locking lever on the factory Quadlock plug.
- Disconnect the original connector, then attach it to the new harness supplied with the kit. Lock it in place by lowering the lever.
- Reconnect the new harness back into the factory head unit.
Important: If your Mercedes is equipped with the factory CD changer or original video system, it may use a fiber optic connection.
In that case, transfer the orange fiber optic plug into the connector that plugs into the head unit.
- Locate the LVDS port, usually identified by a round blue connector.
- Press the retaining tab and unplug the original cable.
- Install the supplied LVDS cable between the factory head unit and the interface module.
This creates a video pass-through, allowing the module to display CarPlay and Android Auto on the factory screen.
If you would like to use wired CarPlay or Android Auto, route the USB cable now.
The cable can be run under the glove box area or through the center console and positioned somewhere easy to access.
If you plan to use wireless mode only, this step may be skipped.
Connect all supplied cables to the interface box:
- Quadlock Connector
- LVDS Video Cable
- Gateway Harness
- Wi-Fi and Bluetooth antennas
Once all connections are complete, place the module and wiring behind the radio cavity.
Bundle excess wiring neatly with electrical tape or zip ties, and make sure nothing interferes with reinstalling the head unit.
Proper cable routing helps ensure a clean and reliable installation.
Before reassembling the dashboard:
Turn the ignition on.
Press and hold the C button for about three seconds.
The system should switch between:
- Factory Mercedes interface
- CarPlay / Android Auto interface
Confirm that the display changes properly and that the interface responds smoothly.
Once testing is complete:
- Reinstall the head unit and tighten the two mounting screws
- Reinstall the head unit and tighten the two mounting screws.
- Refit the center dashboard trim panel.
- Clip both center air vents back into place.
- Enable Bluetooth on your phone and connect to the device name shown on screen, usually something similar to CAR-XXXX.
- Accept the pairing request and Android Auto should launch automatically.
- Use the same Bluetooth pairing process with your iPhone.
- Apple CarPlay will start automatically once connected.
After installation, your Mercedes now benefits from modern smartphone integration while keeping the original NTG system fully intact.
You can now enjoy wireless Apple CarPlay and Android Auto, navigation apps such as Google Maps, Waze, and Apple Maps, music streaming, podcasts, hands-free calls, messaging, and screen mirroring depending on compatibility.
Everything remains seamlessly integrated with the original Mercedes factory system for a clean OEM-style appearance.
Bring your Mercedes GLA into the modern age with our advanced CarPlay & Android Auto retrofit module. Designed for a clean, factory-style installation, this plug & play system unlocks the full power of your smartphone — right from your original screen.
Enjoy a smooth, wireless experience with easy access to music, navigation, messages, calls, and more — all without replacing your original head unit or modifying your car. The result? A smart, secure, and intuitive infotainment upgrade that blends perfectly into your dashboard.
Whether you use an iPhone or Android device, this system brings your favorite apps to life directly on your Mercedes display. Access Spotify, Apple Music, Google Maps, Waze, WhatsApp, Podcasts, YouTube, and more — all without ever needing to reach for your phone.
The interface mirrors your mobile experience while keeping everything safe and driver-friendly. Browse playlists, take calls, reply to messages, or start navigation in just a few taps — all while keeping your hands on the wheel.
Enjoy powerful navigation with real-time traffic, voice commands, and turn-by-turn directions through Google Maps, Waze, or Apple Maps. Say goodbye to clunky phone holders and tangled cables — this system transforms your factory screen into a fully integrated GPS hub.
Get live traffic updates, radar alerts, voice-activated route planning, and crystal-clear visuals — all displayed beautifully on your Mercedes screen.
Stream your favorite content on the go with full support for Spotify, Apple Music, Deezer, YouTube, and more. Audio plays through your original car speakers, including Harman Kardon systems, delivering premium sound quality without compromise.
You can control your music, switch tracks, or even start a video — no need to touch your phone. Perfect for road trips, commutes, or keeping your passengers entertained.
Stay focused on the road while keeping full control of your apps. With built-in voice assistant support, you can activate Siri or Google Assistant from your steering wheel or via voice command.
Send texts, make calls, launch playlists, or ask for directions — all without taking your eyes off the road. It’s convenience, safety, and modern tech working together.
Our system is 100% compatible with your factory settings and controls:
Retains full access to the original NTG system menu
Works with your steering wheel controls
Compatible with your CD player
Supports standard audio and Harman Kardon systems
Keeps your original iDrive-style knob and buttons functional
Fully integrates with your OEM reverse camera, including dynamic guidelines
When you shift into reverse, your screen will automatically switch to the original backup camera view — including moving guidance lines, if equipped. You keep all the factory features you love, now enhanced with modern connectivity.
Apple CarPlay / Android Auto module
Power cable
RCA/USB cable
LVDS video cable
Antenna
Detailed installation guide
Our aftermarket module is designed for Mercedes GLA X156 (2012-2016) equipped with the following head units:
- NTG 4.5
- NTG 5.0
If you're unsure which NTG system your vehicle uses, just check the home screen of your original infotainment system — or contact us and we’ll help you identify it.
Installation is completely plug & play, using the factory connectors behind your original Mercedes head unit. No cutting, no soldering, no permanent changes — and activation of CarPlay/Android Auto is automatic.
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